<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
      <div
        id="main"
        style="width: 750px;height:450px;"
      ></div>
    </el-card>
  </div>
</template>
<script>
import echarts from "echarts";
import { getData } from "network/order";
import _ from "lodash";
export default {
  data() {
    return {
      options: {
        title: {
          text: "用户来源"
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3"
            }
          }
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: "value"
          }
        ]
      }
    };
  },
  mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));

    getData("reports/type/1").then(res => {
      if (res.data.meta.status === 200) {
        const result = _.merge(res.data.data, this.options);

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result);
      } else {
        this.$Message.error("数据获取失败！");
      }
    });
  }
};
</script>
<style scoped>
.el-card {
  margin-top: 20px;
}
</style>